#include<iostream>
#include<algorithm>
#include<cstdio>
#include<cstdlib>
#include<vector>
#include<map>
#include<queue>
#include<string>
#include<sstream>
#include<cmath>
#include<numeric>
using namespace std;

int main(){

  vector<int> a(3);
  cin >> a[0] >> a[1] >> a[2];

  if( !(a[0] == a[1] || a[1] == a[2] || a[2] == a[0]) ){
    if( (a[1] > a[2] && a[1] > a[0]) || (a[1] < a[2] && a[1] < a[0]) ){
      cout << "INF" << endl;
      return 0;
    }
  }

  int cnt = 0;
  int n = max(a[0], max(a[1], a[2]));
  for(int i=2; i<=n; i++){
    vector<int> b;
    b = a;
    b[0] %= i;
    b[1] %= i;
    b[2] %= i;

    if( !(b[0] == b[1] || b[1] == b[2] || b[2] == b[0]) ){
      if( (b[1] > b[2] && b[1] > b[0]) || (b[1] < b[2] && b[1] < b[0]) ){
        cnt++;
      }
    }

  }
  cout << cnt << endl;
  return 0;
}